Role of PET Role of PET-CT in Pulmonary Malignancy

Pulmonary metastases t e are commonbecause the entire output of the rightheart and the lymphatic system flowthrough the pulmonary vascular system. Fragments of tumor are dislodged aftervenous invasion, and they are carried astumor emboli to the lungs via the systemiccirculation. The majority of thesefragments lodge in the small pulmonaryarteries or arterioles ฝฝฝฝฝฝฝฝThese nodulesare most commonly located eithersubpleurally or in the lung bases ratherthan in the upper lung,